Recent developments in DNS of turbulent combustion

P Domingo, L Vervisch - Proceedings of the Combustion Institute, 2023 - Elsevier
The simulation of turbulent flames fully resolving the smallest flow scales and the thinnest
reaction zones goes along with specific requirements, which are discussed from …

Multiscale modeling and general theory of non-equilibrium plasma-assisted ignition and combustion

S Yang, S Nagaraja, W Sun… - Journal of Physics D …, 2017 - iopscience.iop.org
A self-consistent framework for modeling and simulations of plasma-assisted ignition and
combustion is established. In this framework, a'frozen electric field'modeling approach is …

[HTML][HTML] HPC-enabling technologies for high-fidelity combustion simulations

D Mira, EJ Pérez-Sánchez, R Borrell… - Proceedings of the …, 2023 - Elsevier
With the increase in computational power in the last decade and the forthcoming Exascale
supercomputers, a new horizon in computational modelling and simulation is envisioned in …

Data-assisted combustion simulations with dynamic submodel assignment using random forests

WT Chung, AA Mishra, N Perakis, M Ihme - Combustion and Flame, 2021 - Elsevier
This investigation outlines a data-assisted approach that employs random forest classifiers
for local and dynamic submodel assignment in turbulent-combustion simulations. This …

Efficient time-stepping techniques for simulating turbulent reactive flows with stiff chemistry

H Wu, PC Ma, M Ihme - Computer Physics Communications, 2019 - Elsevier
In this work, a set of techniques is developed for the efficient temporal integration of
compressible turbulent reacting flows with stiff chemistry. The proposed approach combines …

Carrier-phase DNS of pulverized coal particle ignition and volatile burning in a turbulent mixing layer

M Rieth, AM Kempf, A Kronenburg, OT Stein - Fuel, 2018 - Elsevier
Direct numerical simulations (DNS) of a three-dimensional turbulent mixing layer are
performed, where coal particles seeded in an air stream mix with hot lean combustion …

A systematic approach to high-fidelity modeling and efficient simulation of supercritical fluid mixing and combustion

X Wang, H Huo, U Unnikrishnan, V Yang - Combustion and Flame, 2018 - Elsevier
Advances in fluid-flow modeling and simulation techniques over the past two decades have
improved understanding of the intricate flow physics and combustion dynamics in the …

Sensitivity of predictions to chemical kinetics models in a temporally evolving turbulent non-premixed flame

S Yang, R Ranjan, V Yang, W Sun, S Menon - Combustion and Flame, 2017 - Elsevier
To investigate the sensitivity of predictions to chemical kinetics models, two different kinetics
models, GRI-Mech 3.0 and an 11-species syngas model, are compared by performing 3D …

Kinetic roles of vibrational excitation in RF plasma assisted methane pyrolysis

J Sun, Q Chen - Journal of Energy Chemistry, 2019 - Elsevier
A combined experimental and simulational work was carried out in this paper to investigate
the kinetic effects of non-equilibrium excitation by direct electron impact on low temperature …

Effect of multiscalar subfilter PDF models in LES of turbulent flames with inhomogeneous inlets

BA Perry, ME Mueller - Proceedings of the Combustion Institute, 2019 - Elsevier
To apply reduced-order manifold combustion models in Large Eddy Simulations (LES) of
systems with multiple inlets, it is necessary to incorporate more than one mixture fraction. As …